My sister had the exact thing. She got hospitalized for the pain and size. Hers was 11cm. They got a long syringe and sucked most the fluid out. No problems or pain after that and it never harmed the baby :)
OK thank you:) I was worried that it would harm the baby; (
It shud resolve its self tbh or it it gets to big they can do summat not sure wat tho but read a few things just no it cant halm ur baby just aches tbh x